WO2011155822A1 - Dérivés de trisaccharide et leur utilisation comme adjuvants - Google Patents

Dérivés de trisaccharide et leur utilisation comme adjuvants Download PDF

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Publication number
WO2011155822A1
WO2011155822A1 PCT/NL2011/050393 NL2011050393W WO2011155822A1 WO 2011155822 A1 WO2011155822 A1 WO 2011155822A1 NL 2011050393 W NL2011050393 W NL 2011050393W WO 2011155822 A1 WO2011155822 A1 WO 2011155822A1
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Prior art keywords
trisaccharide
fatty acid
substituted
maltotriose
ester
Prior art date
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PCT/NL2011/050393
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English (en)
Inventor
Johannes Gernardus Mathias Marie Van Bree
Everardus Joannes Peter Maria Schenkelaars
Jouwert Anne Turkstra
Maria Aldegonda Jacoba Kriek
Robert Patrick Hof
Wilhelmus Martinus Maria Schaaper
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Immunovo B.V.
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Priority to EP11725217.1A priority Critical patent/EP2580226B1/fr
Priority to CN201180034937.5A priority patent/CN103154013B/zh
Priority to LTEP11725217.1T priority patent/LT2580226T/lt
Priority to AU2011262606A priority patent/AU2011262606B2/en
Priority to BR112012031440A priority patent/BR112012031440A2/pt
Priority to CA2802023A priority patent/CA2802023C/fr
Priority to US13/703,329 priority patent/US9327020B2/en
Priority to DK11725217.1T priority patent/DK2580226T3/en
Priority to RU2013100945/04A priority patent/RU2595717C2/ru
Priority to SI201131368T priority patent/SI2580226T1/en
Priority to PL11725217T priority patent/PL2580226T3/pl
Priority to JP2013514126A priority patent/JP6004586B2/ja
Priority to RS20171307A priority patent/RS56690B1/sr
Priority to KR1020137000623A priority patent/KR101929973B1/ko
Application filed by Immunovo B.V. filed Critical Immunovo B.V.
Priority to ES11725217.1T priority patent/ES2654156T3/es
Priority to MX2012014422A priority patent/MX342946B/es
Priority to NO11725217A priority patent/NO2580226T3/no
Publication of WO2011155822A1 publication Critical patent/WO2011155822A1/fr
Priority to ZA2012/09395A priority patent/ZA201209395B/en
Priority to IL223570A priority patent/IL223570A/en
Priority to US15/090,853 priority patent/US20170057987A1/en
Priority to HRP20171947TT priority patent/HRP20171947T1/hr
Priority to CY20171101340T priority patent/CY1119704T1/el

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H13/00—Compounds containing saccharide radicals esterified by carbonic acid or derivatives thereof, or by organic acids, e.g. phosphonic acids
    • C07H13/02—Compounds containing saccharide radicals esterified by carbonic acid or derivatives thereof, or by organic acids, e.g. phosphonic acids by carboxylic acids
    • C07H13/04—Compounds containing saccharide radicals esterified by carbonic acid or derivatives thereof, or by organic acids, e.g. phosphonic acids by carboxylic acids having the esterifying carboxyl radicals attached to acyclic carbon atoms
    • C07H13/06—Fatty acids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00—Medicinal preparations containing antigens or antibodies
    • A61K39/39—Medicinal preparations containing antigens or antibodies characterised by the immunostimulating additives, e.g. chemical adjuvants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/10—Dispersions; Emulsions
    • A61K9/107—Emulsions ; Emulsion preconcentrates; Micelles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A61P37/02—Immunomodulators
    • A61P37/04—Immunostimulants
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H1/00—Processes for the preparation of sugar derivatives

Definitions

  • the present invention relates to novel trisaccharide derivates and their use as adjuvants, which trisaccharide derivates comprise a substituted trisaccharide core, which trisaccharide core is fully substituted with fatty acid ester groups, and optionally one or more anionic groups, the invention further relates to a method for preparing these trisaccharide derivates, to trisaccharides obtainable by this method, and to the use of the adjuvant in a vaccine.
  • Antibodies are substances contained in the blood and other fluids of the body, as well as in the tissues, and which bind to antigen to make it innocuous. Antibodies constitute one of the natural defence mechanisms of the body. They are highly specific and they kill, bind or make innocuous the antigen which induced their formation.
  • the antigen in contact with the immune system thus activates a complex series of cellular interactions to eliminate the antigen and/or to re-establish the preceding equilibrium.
  • antigens Two of the characteristic features of antigens are their immunogenicity, that is their capacity to induce an immune response in vivo (including the formation of specific antibodies), and their antigenicity, that is their capacity to be selectively recognized by the antibodies whose origins are the antigens.
  • antigens have only a weak immunogenicity and they induce an insufficient immune response to produce an effective protection for the organism. This immunogenicity can significantly be improved if an antigen is co-administered with an adjuvant.
  • Adjuvants are substances that enhance the immune response to antigens, but are not necessarily immunogenic themselves. Adjuvants may act by retaining the antigen locally near the site of administration to produce a depot effect facilitating a slow, sustained release of antigen to cells of the immune system. Adjuvants can also attract cells of the immune system to an antigen depot and stimulate such cells to elicit immune responses.
  • Adjuvants have been used for many years to improve the host immune reponse to, for example, vaccines.
  • Intrinsic adjuvants are normally the components of the killed or attenuated bacteria used as vaccines.
  • Extrinsic adjuvants are immunomodulators which are typically non-covalently linked to antigens and are formulated to enhance the host immune response.
  • Aluminium hydroxide and aluminium phosphate are routinely used as adjuvants in human and veterinary vaccines.
  • the efficacy of alum in increasing antibody responses to diphtheria and tetanus toxoids is well established and, more recently, a HBsAg vaccine has been adjuvanted with alum.
  • extrinsic adjuvants can provoke immune responses to antigens. These include saponins complexed to membrane protein antigens (immune stimulating complexes), pluronic polymers with mineral oil, killed mycobacteria in mineral oil, Freund's complete adjuvant, bacterial products, such as muramyl dipeptide (MDP).
  • MDP muramyl dipeptide
  • Synthetic polymers have also been evaluated as adjuvants. These include the homo- and copolymers of lactic and glycolic acid, which have been used to produce microspheres that encapsulate antigens (see Eldridge et al, Mol. Immunol. 28:287-294 (1993)).
  • Nonionic block copolymers are another synthetic adjuvant being evaluated. Adjuvant effects have also been investigated for low molecular weight copolymers in oil-based emulsions (see Hunter et al., The Theory and Partical Application of
  • Adjuvants (Ed. Stewart-TuU, D.E.S.) John Wiley and Sons, NY. Pp. 51-94 (1995)) and for high molecular weight copolymers in aqueous formulations (Todd et al, Vaccin 15:564-570 (1997)).
  • Desirable characteristics of ideal adjuvants are lack of toxicity and an ability to stimulate a long lasting immune response.
  • One of the most commonly used adjuvants in humans is alum.
  • Other adjuvants such as Saponin, Quil A and the water in oil adjuvant, Freund's with killed tubercle bacilli (Freund's complete) or without bacilli (Freud's incomplete), have had limited use in humans due to their toxic effects; and concerns have been raised as to undesirable effects in animals.
  • adjuvants presently approved in human vaccines include Alum, MF59 (an oil in water emulsion), MPL (a glyco lipid), VLR, Immunopotentiating Reconstituted Influenza Virosomes (IRIV) and cholera toxin (see Reed et al. Trends in Immunology 30:23-32 (2008).
  • sulpholipopolysaccharides i.e. polysaccharides containing both fatty acid esters and sulphate esters (Hilgers et al, Immunology 60., pp. 141-146, 1986).
  • a method for preparing these compounds has been described in the international patent application WO96/20222 and WO 96/20008. These methods for preparing
  • sulpholipopolysaccharides result in the formation of different sulpholipopolysaccharides derivates varying in the number of fatty acids esters present per polysaccharide molecule, the number of sulphate esters present per polysaccharide molecule, the number of hydroxyl groups per polysaccharide molecule and the distribution of the fatty acid esters, the sulphate esters and the hydroxyl groups over the polysaccharide molecule.
  • an adjuvant composition which adjuvant comprises sulpholipodisaccharides. Also a method is described for preparing these sulpholipodisaccharides. In one of the embodiments the sulpholipodisaccharides prepared are fully substituted with fatty acid ester or sulphate ester groups. However, as will be further described in the following, when these sulpholipodisaccharides are used as adjuvants in animals, undesired side effects such as occurrence of mean body temperature rise (including fever) and local irritation (tissue swelling) occur.
  • a first and second aspect of the present invention relates to trisaccharide derivates and their use as an adjuvant.
  • the trisaccharide derivates according to the present invention comprise a substituted trisaccharide core, which trisaccharide core is fully substituted with fatty acid ester groups, and optionally one or more anionic groups.
  • the trisaccharide derivates according to the present invention are highly suitable for use as adjuvant for vaccines. They have a side effect profile which is surprisingly significantly better than the side effect profile of other adjuvants which are based on polysaccharide derivates, such as for example adjuvants based on disaccharides.
  • Animals which have been vaccinated with an antigen composition and an adjuvant composition comprising the trisaccharide derivates according to the invention show less increase in mean body temperature compared with for example the disaccharide derivates of EP 1233969. Also the occurrence of local reactions (tissue swelling) around the area of injection is lower when an adjuvant is used which comprises the
  • antigen refers to any component or material that induces a immunological reaction in the human or animal body, such as a virus, a bacterium, mycoplasma, a parasite or a tumor cell, a subunit of a micro-organism, such as a protein, polysaccharide, peptide, glycoprotein, polysaccharide-protein conjugate, peptide-protein-conjugate.
  • the antigen can for example consist of or contain one or more live organisms, inactivated organisms, or so-called subunits (the latter e. g. prepared synthetically, or by recombinant DNA methods, or isolated from the organisms).
  • the term antigen further refers to any component that can induce an immune reaction in the human or animal body.
  • the trisaccharide core of the derivates of the present invention is preferably derived from raffinose, melezitose, maltotriose, nigerotriose, maltotriulose or kestose. It is particularly preferred that the trisaccharide core is derived from raffinose, melezitose or maltotriose, most preferably raffinose or maltotriose. These trisaccharides have in their normal, i.e. unsubstituted form eleven OH-groups which are available for reactions such as for example esterificaction with fatty acids.
  • one or more, preferably one, of the OH-groups has reacted with an anionic group, such that for example a sulphate ester or phosphate ester group is obtained, preferably a sulphate ester group is obtained.
  • the trisaccharide derivates according to the invention comprises no anionic groups but only fatty acids groups, preferably identical fatty acid groups.
  • the trisaccharide derivates according to the invention comprise one or two anionic groups with ten or nine fatty acid groups, respectively, per substituted trisaccharide core.
  • the fatty acid groups are identical.
  • anionic group refers to a negatively charged moiety (i.e. negatively charged at neutral pH or the pH of the environment in which the derivate is applied).
  • Such an anionic group may for example be a sulphate, a sulphonate or a phosphate.
  • Preferred anionic groups include sulphate ester groups or phosphate ester groups. Examples of such groups are-0-S0 2 -ONa or -0-S0 2 -ONH 4 , -0-S0 2 -OTEA (i.e. sulphate triethylammonium).
  • the fatty acid ester group which is covalently bound to the substituted trisaccharide core is an ester of a straight, branched, saturated or unsaturated fatty acid with a chain length of 4 to 20 carbon atoms, preferably 6 to 18, more preferably 8 to 16 carbon atoms, most preferably 10-14 and highly preferred 12 carbon atoms.
  • the substituted trisaccharide core is substituted with more than one type of fatty acid ester, it is preferred that only one type is used, i.e. that all fatty acid esters are identical.
  • fatty acids is highly preferred, however it is also envisaged by the present invention that other carboxylic acids, preferably closely related to fatty acids, may provide favourable results.
  • the fatty acid ester is the ester of saturated fatty acids
  • monounsaturated fatty acids or polyunsaturated fatty acids such as butyric acid, caproic acid, caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, palmitoleic acid, stearic acid, ricinoleic acid, vaccenic acid, arachidic acid, gadoleic acid, arachidonic acid, oleic acid or linoleic acid. Most preferably lauric acid.
  • the substituted trisaccharide core is derived from raffinose, melezitose or maltotriose and is the trisaccharide derivate fully substituted with identical fatty acid ester groups per substituted trisaccharide, i.e. the trisaccharide core is substituted with eleven identical fatty acid ester groups.
  • the substituted trisaccharide core is derived from raffinose, melezitose or maltotriose and comprises one or two anionic groups, such as a sulphate ester or a phosphate ester group, and ten or nine, respectively, identical fatty acid ester groups per substituted trisaccharide.
  • the fatty acid ester is the ester of lauric acid.
  • a third aspect of the present invention relates to a method for preparing a trisaccharide derivate comprising the steps of:
  • the trisaccharide derivates prepared comprise no anionic groups but only fatty acids groups, preferably identical fatty acid groups, i.e. all OH-groups have reacted with a fatty acid or source thereof.
  • the trisaccharide derivates prepared comprise one or two anionic groups with ten or nine fatty acid groups, respectively, per substituted trisaccharide core.
  • the fatty acid groups are identical.
  • the trisaccharides used in the above mentioned method are preferably raffinose, melezitose, maltotriose, nigerotriose, maltotriulose or kestose. More preferably, raffinose, melezitose or maltotriose are used, most preferably maltotriose or raffinose.
  • fatty acids refers to any source of fatty acids, including fatty acid salts, fatty acids halides, fatty acid esters and derivates.
  • fatty acids used in the claimed method are straight, branched, saturated or unsaturated fatty acids with a chain length of between 4 to 20 carbon atoms, preferably between 6 to 18, more preferably from 8 to 16 carbon atoms, most preferably 10 to 14 carbon atoms, highly preferred 12 carbon atoms.
  • the fatty acids used are saturated fatty acids, monounsaturated fatty acids or polyunsaturated fatty acids, such as butyric acid, caproic acid, caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, palmitoleic acid, stearic acid, ricinoleic acid, vaccenic acid, arachidic acid, gadoleic acid, arachidonic acid, oleic acid or linoleic acid. Most preferably lauric acid.
  • the anionic agent used is a sulphating or phosphating agent such as gaseous S0 3 , HCLSO 3 , S03.pyridine, S03-2-methylpyridine, S03-2,6-dimethylpyridine, S03-dimethylformamide, SO 3 - trimethylamide, S03-triethylamine, S03-dimethylanaline, S03-N-ethylmorpholine, SO 3 - diethylalanine, SC ⁇ -dioxane and combinations thereof.
  • the anionic agent used is a sulphating or phosphating agent such as gaseous S0 3 , HCLSO 3 , S03.pyridine, S03-2-methylpyridine, S03-2,6-dimethylpyridine, S03-dimethylformamide, SO 3 - trimethylamide, S03-triethylamine, S03-dimethylanaline, S03-N-ethylmorpholine, SO 3 - diethylalanine, SC
  • sulphonating agent is SO 3 .
  • the most preferred sulphating agent is SO 3 . pyridine. It is further preferred that reacting at least one of the OH-groups of the trisaccharide with a sulphating agent is carried out before the esterification of the trisaccharide with a fatty acid.
  • the advantage of first carrying out the reaction with a sulphating agent is that the sulphating agent reacts first with the so called primary OH-groups before reacting with other OH groups, thereby reducing the number of isomers formed.
  • the ratio trisaccharide : anionic agent : fatty acid equivalents is 1 : 0-3 :8-l 1, preferably 1 : 0-1 : 10-11.
  • the solvent used for carrying out the reaction is a mixture of pyridine and dimethylformamide.
  • the trisaccharide derivates are subjected to an additional step of mixing them with a pharmaceutically acceptable excipient or diluent, such that an adjuvant composition is obtained.
  • a fourth aspect of the present invention relates to adjuvant compositions comprising trisaccharide derivates according to the invention, or a mixture thereof.
  • trisaccharide derivates are formulated into an adjuvant composition they are preferably mixed with pharmaceutically acceptable excipients or diluents.
  • the adjuvant composition is formulated as an oil in water emulsion. Suitable oils to be used are amongst others animal oils, vegetable oils and mineral oils, such as fish oil, vitamine E, sqalane, squalene.
  • trisaccharide derivate it is also within the scope of the invention to use in the adjuvant composition a mixture of different trisaccharide derivates according to the invention.
  • a mixture is used of trisaccharide derivates according to the invention with an anionic group, such as a sulphate ester group, and the same trisaccharide derivates without an anionic group, e.g. sulpho-lipo-raffinose and lipo-raffinose.
  • the fatty acid esters of the trisaccharides derivates used in such a mixture are the same, such as for example the ester of lauric acid.
  • a fifth aspect of the present invention relates to a vaccine comprising the adjuvant composition, or trisaccharide derivate as mentioned above.
  • Both the adjuvant composition, antigen composition or vaccine are preferably administered parenterally.
  • Suitable means for parenteral administration include intramuscular, subcutaneous, subdermal and intradermal administration.
  • Suitable devices for parenteral administration include needle (including microneedle) injectors, and transdermal delivery systems.
  • parenteral formulation may readily be prepared by someone skilled in the art according to standard methods.
  • parenteral formulation is prepared as an oil in water emulsion.
  • parenteral formulations under sterile conditions for example, by filtration may readily be accomplished using standard pharmaceutical techniques well known to those skilled in the art.
  • the vaccine or the adjuvant composition according to the invention can be administered to humans and many different target animals, such as for example pigs, cattle, poultry, dogs, cats, horses and the like.
  • a sixth aspect of the present invention relates to a kit comprising the above mentioned adjuvant composition and an antigen composition.
  • the adjuvant composition and antigen composition may conveniently be combined in the form of a kit.
  • a kit could for example be a two vial system or a dual chamber syringe.
  • a trisaccharide is dried in a vacuum oven to remove the crystal water.
  • the trisaccharide (5 g) is subsequently dissolved, under a stream of nitrogen, in 30 mL of DMF and 14 mL of pyridine in a 100 mL three-neck round-bottom flask, equipped with a reflux- condensor. 1.05 equivalent of pyridine.
  • S0 3 is added under vigorous stirring. After 1 hr the flask is cooled in ice water and under vigorous stirring lauroyl chloride is added drop-wise to prevent heating of the reaction mixture. After 15 min the ice bath is slowly heated to 40°C. The progress of the reaction is monitored by HPLC.
  • the mixture is concentrated in vacuo in a rotary evaporator (heated up to 60°C).
  • the crude product is taken up in 300 mL heptane and 150 mL brine.
  • the organic layer is separated in a 500 mL separatory funnel, dried on sodium sulfate and filtered.
  • the heptane solution is concentrated in vacuo.
  • the oil obtained is dissolved in 200 mL heptane and triethylamine (2.37 mL) is added drop wise.
  • the solution obtained is filtered and concentrated in vacuo.
  • the oil is dissolved again in 100 mL heptane, filtered and the solution is concentrated in vacuo.
  • maltotriose (5.1 g, 10 mmol) was dried in a vacuum stove at ⁇ 10 mbar for 19 firs at 40°C and 48 hrs at 70°C, yield 4.9 g.
  • the dried maltotriose was dissolved in 30 mL of DMF and 14 mL of pyridine and sulfated with 1.6 g (1.05 eq) of pyridine.
  • SO 3 suspended in 2 mL of DMF. After 1 hr the sulfo -trisaccharide was esterified in an ice bath with 11 equivalents (25.5 mL) of lauroyl chloride.
  • Example 4 Synthesis of sulpho-lipo-raffinose (SILIO-Ra) via pyridine.SC route
  • the title product was synthesized as described in example 1 with the following details: raffinose pentahydrate (5.0 g, 10 mmol) was dried in a vacuum stove at ⁇ 10 mbar for 24 hrs at 30°C and 90 hrs at 60°C, yield 4.3 g. The dried raffinose was dissolved in 30 mL of DMF and 14 mL of pyridine . Pyridine. SO 3 (1.6 g, 1.05 eq) was added in one batch.
  • the title product was synthesized following the general method described in Example 1 with the following details: Maltotriose hydrate (0.50 g) was dried in a vacuum oven . The dried trisaccharide (0.49 g, 0.97 mmol) was dissolved in pyridine (1,4 mL) and DMF (3 mL), cooled in an ice bath and reacted with lauroyl chloride (3.36 mL, 15 eq) for 1 hrs atO °C, followed by 16 hrs at room temperature. The reaction mixture became a gel, upon the addition of 3 mL of heptanes and sonification the product dissolved. The addition of heptane was repeated twice.
  • Raffinose pentahydrate (0.50 g) was dried in a vacuum oven .
  • the dried raffinose (0.41 g, 0.86 mmol) in pyridine (1,4 mL) and DMF (3 mL) was cooled in an ice bath and reacted with lauroyl chloride (2.97 ml, 15 eq) for 1 hrs atO °C, followed by 18 hrs at room temperature.
  • the reaction mixture was diluted with heptane (50 ml) and washed with water (25 ml).
  • the organic phase was dried over sodium sulphate, filtered and concentrated to yield a thick yellow-brown syrup: 2.33 g.
  • HPLC-ELSD chromatogram see fig.3B.
  • the adjuvants comprising sulpho-lipo- maltotriose also comprised lipo-maltotriose (fully substituted with lauroyl ester groups, Ll l-Ma).
  • the adjuvants comprising sulpho-lipo-raffmose also comprised lipo-raffinose (fully substituted with lauroyl ester groups, LI 1-Ra).
  • the sulpho-lipo based adjuvants were tested in different doses varying from 0.008-8 mg per dose.
  • the adjuvants were tested in combination with a GnRH-KLH conjugate with 0.7 ⁇ g conjugated GnRH per dose.
  • Adjuvanticity of the adjuvants was compared with the positive control adjuvant, sulpho-lipo-sucrose (disaccharide with one sulphate ester group and seven lauroyl acid ester groups, S1L7-Su) and with negative control adjuvant consisting of an squalane-in- water emulsion without saccharide compound and one group receiving PBS only.
  • Efficacy was determined by antibody titers and biological effects of the induced antibodies on testosterone levels. In order to determine adverse effects of immunization with the adjuvants, daily clinical observations were made and body temperature and injection site reactions was determined.
  • Millex syringe driven filter unit 0.22 ⁇ PES, 33 mm, 4,5 cm 2 (Millipore)
  • the experimental adjuvants were prepared as follows.
  • the oil phase components (Saccharide, squalane, polysorbate-80 and MilliQ water, amounts as indicated in table 1) were weighed in a 50 ml Falcon tube. The components were mixed using a vortex and heated in a water bath at 50 °C until the saccharide was dissolved. The warm oil phase was added to the water phase (PBS) and the two phases were mixed by vortex and ultra-turrax at 24000 min "1 for approximately 30 sec with intervals. Subsequently, the emulsion was formed by Microfluidizer processing. The operating pressure was set to 500 kPa (5 bar) and each mixture was passed three times under cooling of the interaction chamber in an ice bath. Each emulsion was subjected to manual sterile filtration. The particle size of the emulsion was measured using a Nanotrac particle sizer.
  • Vaccines 1-13 were formulated by adding equal volume of adjuvant (comprising the saccharide compounds as shown in table 2) to the water phase (containing 0.7 ⁇ g conjugated GnRH).
  • Vaccine 14 consists of PBS only. The following vaccines were prepared:
  • Rats Male Wistar rats, 10 weeks of age, were housed with 3 rats per cage. Rats had ad libitum access to food en water. Rats were immunized at day 0, 14 and 28, according to the experimental design (Table 2) with 400 ⁇ vaccine comprising 200 ⁇ water phase and 200 ⁇ adjuvant. Two intramuscular injections (100 ⁇ each) were injected at the left and right inner thigh and 2 ⁇ 100 ⁇ 1 was injected subcutaneously in the neck region. Each group consists of 5 rats.
  • GnRH specific antibodies were measured by ELISA. Plates (96 wells) were precoated with 0.2% glutardialdehyde in phosphate buffer (pH 5) for 3 hours at room temperature, washed with 0.1 M phosphate buffer (pH 8) and coated with 100 ⁇ per well of a solution containing 10 ⁇ g GnRH (Pepscan Presto, Lelystad, The Netherlands) per ml phosphate buffer (pH 8) and incubated for 3 hours at 37°C. Coated plates were washed with 0.05% Tween-80. Serum samples were diluted (1/10) in PEM (1% Tween- 80 with 4% horse serum).
  • Serum testosterone levels were measured using a commercially available Testosterone EIA (Beckman Coulter, Woerden, The Netherlands) according to the instructions of the manufacturer.
  • GnRH antibody titers
  • Antibody titers were substantially higher for rats treated with 0.08-8 mg sulpho-lipo- trisaccharide than in rats treated with adjuvant without saccharide (NS, group 11), demonstrating the significant contribution of the sulpho-lipo-trisaccharide to the immune response.
  • FIG. 4C clearly shows that GnRH antibody titers of rats that received 8 mg saccharide compounds according to the invention, i.e. SlL10-Ma-8, SlL10-Ra-8 and LI l-Ra-8 were substantially higher than in rats treated with squalane emulsion only (NS), emphasizing strong adjuvanticity of both S1L10- and LI 1-trisaccharides.
  • Mean body temperature was determined for all animals before and after each immunization by rectal temperature.
  • Mean body temperature per group are depicted as to preimmunization levels Figure 6.
  • the lipidated trisaccharide (LI l-Ra-8) did not induce any increase in MBT. From Figure 6 it is thus clear that the vaccines comprising the compounds according to the invention (SILlO-trisaccharides) as adjuvants induced surprisingly significantly shorter temperature effects when compared to the disaccharide derivates known in the prior art, while the lipidated trisaccharide (LI 1 -trisaccharide) in similarity to the oil- in- water emulsion without a saccharide compound (NS) did not induce any temperature effects at all .
  • the vaccines comprising the compounds according to the invention (SILlO-trisaccharides) as adjuvants induced surprisingly significantly shorter temperature effects when compared to the disaccharide derivates known in the prior art, while the lipidated trisaccharide (LI 1 -trisaccharide) in similarity to the oil- in- water emulsion without a saccharide compound (NS) did not induce any temperature effects at all .
  • the lipidated trisaccharide (LI l-Ra-8) did not induce any adverse effects at the site of injection.
  • sulpho-lipo-disaccharide comprising vaccine formulations induced more injection site reactions than vaccines comprising sulpho-lipo- trisaccharides according to the invention.
  • Figure 1 A-B HPLC-ELSD chromatogram of sulpho-lipo-maltotriose, synthesized via pyridine. S0 3 route
  • Figure 2 HPLC-ELSD chromatogram of sulpho-lipo-raffinose, synthesized via pyridine. SO3 route
  • Figure 3 A-B HPLC-ELSD chromatogram of lipo-maltotriose and lipo-raffinose
  • Figure 4 A-C GnRH antibody titer (mean) of rats immunized with various vaccine formulations
  • Figure 6 Mean body temperature of rats immunized with various vaccines formulations
  • Figure 7 Injection site reaction of rats immunized with various vaccine formulations

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  • Dispersion Chemistry (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Saccharide Compounds (AREA)
  • Medicinal Preparation (AREA)
  • Steroid Compounds (AREA)

Abstract

La présente invention concerne l'utilisation comme adjuvants de dérivés de trisaccharide comprenant un cœur trisaccharidique substitué, le cœur trisaccharidique étant totalement substitué avec des groupes esters d'acide gras, et éventuellement un ou plusieurs groupes anioniques, les dérivés de trisaccharide eux-mêmes, un procédé de préparation de ces trisaccharides, les trisaccharides obtenus par ce procédé, des compositions d'adjuvants comprenant ces dérivés de trisaccharide et un vaccin ou un kit comprenant ces compositions d'adjuvants.
PCT/NL2011/050393 2010-06-11 2011-06-03 Dérivés de trisaccharide et leur utilisation comme adjuvants WO2011155822A1 (fr)

Priority Applications (22)

Application Number Priority Date Filing Date Title
MX2012014422A MX342946B (es) 2010-06-11 2011-06-03 Derivados de trisacaridos, y su uso como adyuvantes.
LTEP11725217.1T LT2580226T (lt) 2010-06-11 2011-06-03 Trisacharidų dariniai ir jų, kaip adjuvantų, panaudojimas
AU2011262606A AU2011262606B2 (en) 2010-06-11 2011-06-03 Trisaccharide derivates, and their use as adjuvants
BR112012031440A BR112012031440A2 (pt) 2010-06-11 2011-06-03 derivados trissacarídeo e seu uso como adjuvantes
CA2802023A CA2802023C (fr) 2010-06-11 2011-06-03 Derives de trisaccharide et leur utilisation comme adjuvants
US13/703,329 US9327020B2 (en) 2010-06-11 2011-06-03 Trisaccharide derivates, and their use as adjuvants
DK11725217.1T DK2580226T3 (en) 2010-06-11 2011-06-03 TRISACCHARIDE DERIVATIVES AND THEIR USE AS ADJUVANCES
RU2013100945/04A RU2595717C2 (ru) 2010-06-11 2011-06-03 Производные трисахаридов и их применение в качестве адъювантов
SI201131368T SI2580226T1 (en) 2010-06-11 2011-06-03 Derivatives of trisaccharide and their use for adjuvants
PL11725217T PL2580226T3 (pl) 2010-06-11 2011-06-03 Pochodne trisacharydów i ich zastosowanie jako adiuwantów
JP2013514126A JP6004586B2 (ja) 2010-06-11 2011-06-03 三糖誘導体及びアジュバントとしてのその使用
EP11725217.1A EP2580226B1 (fr) 2010-06-11 2011-06-03 Dérivés de triholoside et leur utilisation en tant qu'adjuvants
KR1020137000623A KR101929973B1 (ko) 2010-06-11 2011-06-03 삼당류 유도체 및 이의 보조제로서의 용도
RS20171307A RS56690B1 (sr) 2010-06-11 2011-06-03 Derivati trisaharida, i njihova upotreba kao adjuvanasa
ES11725217.1T ES2654156T3 (es) 2010-06-11 2011-06-03 Derivados de trisacáridos y su uso como adyuvantes
CN201180034937.5A CN103154013B (zh) 2010-06-11 2011-06-03 三糖衍生物以及它们作为佐剂的用途
NO11725217A NO2580226T3 (fr) 2010-06-11 2011-06-03
ZA2012/09395A ZA201209395B (en) 2010-06-11 2012-12-11 Trisaccharide derivates,and their use as adjuvants
IL223570A IL223570A (en) 2010-06-11 2012-12-11 Derivatives of fresh sugars and using them to make a supplement helps in vaccination
US15/090,853 US20170057987A1 (en) 2010-06-11 2016-04-05 Trisaccharide Derivates, and Their Use as Adjuvants
HRP20171947TT HRP20171947T1 (hr) 2010-06-11 2017-12-14 Trisaharidni derivati i njihova upotreba kao adjuvans
CY20171101340T CY1119704T1 (el) 2010-06-11 2017-12-21 Παραγωγα τρισακχαριτη, και η χρηση τους ως ανοσοενισχυτικα

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP10165707A EP2397484A1 (fr) 2010-06-11 2010-06-11 Dérivés de triholoside et leur utilisation en tant qu'adjuvants
EP10165707.0 2010-06-11

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US13/703,329 A-371-Of-International US9327020B2 (en) 2010-06-11 2011-06-03 Trisaccharide derivates, and their use as adjuvants
US15/090,853 Division US20170057987A1 (en) 2010-06-11 2016-04-05 Trisaccharide Derivates, and Their Use as Adjuvants

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WO2011155822A1 true WO2011155822A1 (fr) 2011-12-15

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EP (3) EP2397484A1 (fr)
JP (2) JP6004586B2 (fr)
KR (1) KR101929973B1 (fr)
CN (1) CN103154013B (fr)
AU (1) AU2011262606B2 (fr)
BR (1) BR112012031440A2 (fr)
CA (1) CA2802023C (fr)
CY (1) CY1119704T1 (fr)
DK (1) DK2580226T3 (fr)
ES (1) ES2654156T3 (fr)
HR (1) HRP20171947T1 (fr)
HU (1) HUE035187T2 (fr)
IL (1) IL223570A (fr)
LT (1) LT2580226T (fr)
MX (1) MX342946B (fr)
NO (1) NO2580226T3 (fr)
PL (1) PL2580226T3 (fr)
PT (1) PT2580226T (fr)
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Publication number Priority date Publication date Assignee Title
CN106573047A (zh) * 2014-07-24 2017-04-19 莱特弗克斯有限公司 佐剂
US10342867B2 (en) 2014-07-24 2019-07-09 Litevax B.V. Adjuvants

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KR20130056273A (ko) 2013-05-29
MX342946B (es) 2016-10-18
AU2011262606A1 (en) 2013-01-10
US9327020B2 (en) 2016-05-03
RS56690B1 (sr) 2018-03-30
CA2802023C (fr) 2020-07-14
EP2580226B1 (fr) 2017-11-29
IL223570A (en) 2017-03-30
US20170057987A1 (en) 2017-03-02
CN103154013B (zh) 2017-03-15
ZA201209395B (en) 2014-05-28
KR101929973B1 (ko) 2018-12-18
AU2011262606B2 (en) 2016-10-27
BR112012031440A2 (pt) 2017-04-18
CY1119704T1 (el) 2018-06-27
HUE035187T2 (hu) 2018-05-02
CA2802023A1 (fr) 2011-12-15
RU2595717C2 (ru) 2016-08-27
JP2013528211A (ja) 2013-07-08
EP2580226A1 (fr) 2013-04-17
US20130273082A1 (en) 2013-10-17
NO2580226T3 (fr) 2018-04-28
EP2397484A1 (fr) 2011-12-21
PT2580226T (pt) 2018-01-05
LT2580226T (lt) 2018-02-26
CN103154013A (zh) 2013-06-12
RU2013100945A (ru) 2014-07-20
PL2580226T3 (pl) 2018-05-30
ES2654156T3 (es) 2018-02-12
SI2580226T1 (en) 2018-04-30
DK2580226T3 (en) 2018-01-08
HRP20171947T1 (hr) 2018-02-23
EP3312188A1 (fr) 2018-04-25
MX2012014422A (es) 2013-08-27
JP2016216471A (ja) 2016-12-22

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